We study an ultimatum experiment in which the responder does not know the offer when accepting or rejecting. Unconditional veto power leads to acceptances, although proposers are significantly greedier than in standard ultimatum games, and this is anticipated by responders.

We study a market in which both buyers and sellers can decide to preempt and set theirquantities before market clearing. Will this lead to preemption on both sides of the market,only one side of the market, or to no preemption at all? We …nd that preemption tends to beasymmetric in the sense...

Conventions can be narrowly interpreted as coordinated ways of equilibriumplay, i.e., a specific convention tells all players in a game withmultiple strict equilibria which equilibrium to play. In our view, coordinationoften takes place before learning about the games. Thus, one hasto coordinate...

In one-shot investment game experiments where each player's payo is a convexcombination of own and other's prot, trust remains unaected by the extent of interdependencewhereas trustworthiness reacts positively to it.

To explain why pre-play communication increases cooperation in games,one refers to a) strategic causes such as efficient communication or reputationeffects, and b) changes in the utilities due to social processes. Hithertoexperimental support for both explanations is mixed and confounded....